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From: android <here@there.was>
Newsgroups: comp.sys.mac.system
Subject: Re: 10.9 - disabling memory compression
Date: Thu, 17 Apr 2014 21:58:38 +0200
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In article <HZKdndcOP49rss3OnZ2dnUVZ_j-dnZ2d@giganews.com>,
 Alan Browne <alan.browne@FreelunchVideotron.ca> wrote:

> On 2014.04.17, 15:29 , android wrote:
> > In article <lZednfcNMN_dtc3OnZ2dnUVZ_qCdnZ2d@giganews.com>,
> >   Alan Browne <alan.browne@FreelunchVideotron.ca> wrote:
> >
> >> And yes, there is a gain by turning it off.  Compression, even as cpu
> >> efficient as the technique used, does use cpu cycles.
> >
> > Have you noticed it? Do you know what kind of compression it is? Is it
> > merely defraging the ram or is it reusing file fragments?

Your link suggest that it's the latter.
> 
> Noticed it?  Yes - there is no more compression indicated in the
>               memory monitor.
> 
> Noticed it?  No - I can't say the computer is any faster - but
>               that is of course subjective.
> 
> Algorithm: 
> https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Oberhumer
-- 
teleportation kills
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